BOILER PLANT Russian patent published in 1995 - IPC

FIELD: heat power engineering. SUBSTANCE: plant has boiler apparatus 1 and gas duct 2 with V-shaped part. Sprinkler 18 for supplying carbamide is mounter at the inlet of the gas duct. Sprinkler 4 for sodium sulfite (bisulfite), sprinkler 5 for alkali solution, and sprinkler 12 for solution of sodium sulfite (bisulfite) are arranged downstream in the direction of flue gas flow. The supply system of sprinkler 12 is provided with heat exchanger 25 of the outer loop. Supplying of hot water to the heat exchanger is controlled by pickups 27 and 28 of moisture and temperature. EFFECT: enhanced quality of purifying flue gas. 2 cl, 1 dwg